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EP 2 470 982 A1

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(43) Date of publication: 04.07.2012 Bulletin 2012/27 (21) Application number: 10760477.9 (22) Date of filing: 26.08.2010

(51) International Patent Classification (IPC):  G06F 3/045(2006.01) G06F 3/041(2006.01) G06F 3/048(2006.01) (86) International application number: PCT/US2010/046717 (87) International publication number: WO 2011/025845 (03.03.2011 Gazette 2011/09)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 27.08.2009 US 549008 (71) Applicant: Symbol Technologies, Inc. Holtsville, NY 11742 (US)	(72) Inventors: LI, Hao, Chandler Arizona 85286 (US) MANIAR, Papu, Mesa Arizona 85203 (US) WEI, Yi, Chandler Arizona 85226 (US) ZHANG, Keshu, Phoenix Arizona 85041 (US) LI, Haifeng, Phoenix Arizona 85041 (US) (74) Representative: Treleven, Colin  Optimus Patents Limited Grove House Lutyens Close Chineham Court Basingstoke, RG24 8AG Basingstoke, RG24 8AG (GB)